/Engine/Source/Developer/FunctionalTesting/Classes/FunctionalAITest.h
Iterate through the list of spawn sets and execute Predicate on each.
virtual void ForEachSpawnSet ( [TFunctionRef](API\Runtime\Core\GenericPlatform\TFunctionRef)< void([FAITestSpawnSetBase](API\Developer\FunctionalTesting\FAITestSpawnSetBase) &)> Predicate )